Home / 643,623,897.60-964,944,790.74-293,625,196.62

Finding the Fourth Proportional to 643,623,897.60, 964,944,790.74 and 293,625,196.62

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Solution

The fourth proportional to 643,623,897.60, 964,944,790.74 and 293,625,196.62 is: 440,213,772.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,623,897.60 : 964,944,790.74 = 293,625,196.62 : x
  2. Step 2: Convert to fraction form
    643,623,897.60/964,944,790.74 = 293,625,196.62/x
  3. Step 3: Cross multiply
    643,623,897.60x = 964,944,790.74 × 293,625,196.62
  4. Step 4: Simplify right side
    643,623,897.60x = 283,332,103,908,477,248
  5. Step 5: Solve for x
    x = 283,332,103,908,477,248/643,623,897.60
  6. Step 6: Final answer
    x = 440,213,772.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.